CHICAGO–(BUSINESS WIRE)–As families and small businesses across northern Illinois continue to face higher energy bills, ComEd today reinforced its commitment as parent company, Exelon, launches The Exelon Promise—a comprehensive, customer-first strategy focused on delivering immediate customer relief, strong protections amid growing demand, and long-term solutions to address the root causes driving higher costs. ComEd is implementing this shared commitment on the ground, ensuring customers ar